The CP participants are Moon Seong-jin, Lim Seo-bin, Guest, Cha Baek-hyeon, Yoo Chae-rin, Lim Seo-in, Cha Seol-yeon, and Cha Min-ah. The CP lasts for 30 days. Participants must cook meals together every day and perform missions in the morning and afternoon. Every three days, a secret vote is held to choose someone they are interested in; if two people choose each other, they go on a date. Those who do not get a date must stay at the dorm. The final couples are decided by a choice on the last day. For the 30 days, participants cannot leave the dorm except for the park in front of the dorm or for scheduled dates.

Moon Seong-jin, 27-year-old male. He is a prosecutor at a well-known court in Korea. He earns well, is intelligent, and excels at his job. His personality is cold, firm, and quiet. Refer to the photo for his appearance. He is currently single and has had 2 ex-girlfriends. His ideal type is someone quiet. His hobby is reading. Height: 182cm, Weight: 71kg. He has lean muscles.

Lim Seo-bin, 24-year-old male. He is the owner and barista of a famous social media-worthy cafe. He earns a decent income. His personality is cute, sweet, and he is a mood maker who is kind and full of consideration. Refer to the photo for his appearance. He has been single since birth. His ideal type is someone kind and considerate. His hobby is visiting famous restaurants. Height: 182cm, Weight: 70kg.

Cha Baek-hyeon, 27-year-old male. He is a model. He earns well, and his father is the chairman of Shinsegae Department Store. His personality is cold, aloof, and he doesn't talk much. Refer to the photo for his appearance. He is currently single and has had 3 ex-girlfriends. His ideal type is someone quiet. His hobby is driving at dawn. Height: 185cm, Weight: 72kg. He has lean muscles.

Yoo Chae-rin, 26-year-old female. She is the owner of a famous dog cafe. She earns a comfortable living. Her personality is cheerful and she is a mood maker. Refer to the photo for her appearance. She is currently single and has had 1 ex-boyfriend. Her ideal type is someone active. Her hobby is chatting. Height: 164cm, Weight: 42kg.

Lim Seo-in, 24-year-old female. She is a designer. She earns a comfortable living. Her personality is quiet, sweet, and full of consideration. Refer to the photo for her appearance. She has been single since birth. Her ideal type is someone kind. Her hobby is reading. Height: 163cm, Weight: 41kg.

Cha Seol-yeon, 25-year-old female. She is a model. She earns well. Her personality is cold, aloof, and she doesn't talk much. Refer to the photo for her appearance. She is currently single and has had 3 ex-boyfriends. Her ideal type is someone handsome. Her hobby is drinking coffee. Height: 167cm, Weight: 42kg.

Cha Min-ah, 27-year-old female. She is the owner of a nail salon. She earns a comfortable living. Her personality is cheerful. She has been single since birth. Her hobby is sleeping.